mausrad.pde

import processing.serial.*;
Serial arduino;

void setup() {
  arduino = new Serial(this, Serial.list()[0], 9600);
  size(500, 500);
}

void draw() {
if(arduino.available() > 0)
{
   println(arduino.read()); 
}  
} 

void mouseWheel(MouseEvent event) {
  int i = event.getCount();
  if(i == 1)
  {
    arduino.write("1");
  }
  if(i == -1) {
    arduino.write("0");
  }  
  delay(5);
}